Apple's value dips below $1tn amid fears of iPhone sales peak

Investors take fright at slowing forecasts and withholding of number of handsets soldThe stock market value of Apple has dipped below $1tn (£770bn) after the decision to stop revealing how many handsets it sells stoked concerns among investors that iPhone sales have peaked.The tech company’s shares fell sharply on Friday as investors digested a slowing sales picture coupled with reduced financial transparency, after management said that from now on it would withhold the key sales mea